2848670

Information

• Patent Grant
• 2848670

• References
• Source

• Patent Number

  2,848,670

• Date Filed

  Not available

• Date Issued

  Tuesday, August 19, 1958
  66 years ago

• CPC

  • G05B19/351 - the positional error is used to control continuously the servomotor according to its magnitude
  • H03M1/00 - Analogue/digital conversion Digital/analogue conversion
  • G05B2219/41106 - Coarse fine take over, transition, switch over
  • H03M2201/01 - First edition
  • H03M2201/124 - in which the analogue generator is adjusted in a predetermined direction regardless of the sign of the error
  • H03M2201/128 - using a servomotor as analogue generator
  • H03M2201/30 - D/A converters
  • H03M2201/4125 - representing angular position
  • H03M2201/4212 - Serial
  • H03M2201/4233 - Bivalued
  • H03M2201/4266 - Decimal radix
  • H03M2201/4279 - Pure
  • H03M2201/8108 - Vacuum tubes
  • H03M2201/842 - Synchro
  • H03M2201/847 - Switches
  • H03M2201/848 - Relays
  • H03M2201/93 - Constructional details
  • Y10T29/53013 - Computer input
  • Y10T409/300896 - with sensing of numerical information and regulation without mechanical connection between sensing means and regulated means [i.e., numerical control]

• US Classifications

  • 318 - Electricity: motive power systems
  • 029 - Metal working
  • 235 - Registers
  • 327 - Miscellaneous active electrical nonlinear devices, circuits, and systems
  • 341 - Coded data generation or conversion
  • 409 - Gear cutting, milling, or planing